CITY HALL -- Mayor Michael Bloomberg signed into law a bill that would require the Department of Transportation to install speed humps around schools.

The legislation was authored by Councilwoman Debi Rose (D-North Shore). It calls for at least 50 speed humps to be installed adjacent to schools, public and private, each year.

Ms. Rose has said the legislation was inspired by Aniya Williams, 13, a student at the Staten Island School of Civic Leadership who died when she was struck by a truck on the last day of school in 2011.